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Max IPs and Choked Back Wells In The Haynesville


Choking back wells is the latest rage in Haynesville production.  It seems like all the top operators are doing it, EXCO, EOG, Petrohawk.  This is going to make life a little more interesting for people who believe MaxIP as a proxy for well performance.  The data has shown that Max IP and short term cums like 12 and 24 month have a strong correlation.

Here is a MaxIP chart for the top 8 operators in the Haynesville generated using the new Drillinginfo Energy Strategy Partners Unconventional Haynesville Study.  The 4Q09 Max IP drops for EXCO, Comstock, EOG and El Paso.  Of these four, EOG and EXCO subscribe to choking back their wells, El Paso does not, and I am not sure about Comstock.

As more 2010 data comes in I suspect this trend will become even more evident.  Petrohawk announced recently they will be restricting all their Haynesville wells from here on out.  This practice is also transferring to other shales such as the Eagle Ford where EOG and St Mary announced they will be choking back.  We already have methodolgy to identify the choke backs and will be using the Eagle Ford and Haynesville Studies to analyze how these wells respond, who is practicing this, what are the economics, do certain shales respond better to this than others?

Check back to the blogs and the Drillinginfo Unconventional Updates for the latest on this topic and others.

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Justin Birmingham

Justin Birmingham is a Research Analyst at Drillinginfo. He creates proprietary research studies, works with statistical models and manages datasets for the DI Analytics team. Justin earned his Bachelor of Science from Texas State University – San Marcos.